You are transporting a 28-week-gestation newborn who was delivered at home. En route, the infant experiences a seizure. Which of the following possibilities should you investigate? 1. Hypoxic-ischemic encephalopathy 2. Hypoglycemia 3. Drug withdrawal 4. Intraventricular hemorrhage

A) 1 and 3
B) 2 and 4
C) 2, 3, and 4
D) 1, 2, 3, and 4

D